CVE-2016-7796
Detail
Deferred This CVE record is not being prioritized for NVD enrichment efforts due to resource or other concerns.
Description
The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
References to Advisories, Solutions, and Tools
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URL
Source(s)
Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html
CVE, MITRE
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html
CVE, MITRE
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0003.html
CVE, MITRE
http://www.openwall.com/lists/oss-security/2016/09/30/1
CVE, MITRE
Third Party Advisory
http://www.securityfocus.com/bid/93250
CVE, MITRE
Third Party Advisory
http://www.securitytracker.com/id/1037320
CVE, MITRE
https://bugzilla.redhat.com/show_bug.cgi?id=1381911
CVE, MITRE
Issue Tracking
Third Party Advisory
VDB Entry
https://github.com/systemd/systemd/issues/4234#issuecomment-250441246
CVE, MITRE
Exploit
Patch
Vendor Advisory
https://rhn.redhat.com/errata/RHBA-2015-2092.html
CVE, MITRE
Third Party Advisory
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet
CVE, MITRE
Exploit
Technical Description
Third Party Advisory
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-20
Improper Input Validation
NIST
Change History
8 change records found show changes
CVE Modified by CVE 11/20/2024 9:58:28 PM
Action
Type
Old Value
New Value
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html
Added
Reference
http://rhn.redhat.com/errata/RHSA-2017-0003.html
Added
Reference
http://www.openwall.com/lists/oss-security/2016/09/30/1
Added
Reference
http://www.securityfocus.com/bid/93250
Added
Reference
http://www.securitytracker.com/id/1037320
Added
Reference
https://bugzilla.redhat.com/show_bug.cgi?id=1381911
Added
Reference
https://github.com/systemd/systemd/issues/4234#issuecomment-250441246
Added
Reference
https://rhn.redhat.com/errata/RHBA-2015-2092.html
Added
Reference
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet
CVE Modified by MITRE 5/14/2024 12:06:07 AM
Action
Type
Old Value
New Value
CPE Deprecation Remap by NIST 9/12/2023 10:45:07 AM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:o:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
OR
*cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
CVE Modified by MITRE 7/27/2017 9:29:06 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.securitytracker.com/id/1037320 [No Types Assigned]
CVE Modified by MITRE 1/06/2017 10:00:39 PM
Action
Type
Old Value
New Value
Added
Reference
http://rhn.redhat.com/errata/RHSA-2017-0003.html [No Types Assigned]
CVE Translated by NIST 10/14/2016 7:45:01 AM
Action
Type
Old Value
New Value
Modified Analysis by NIST 10/13/2016 5:43:38 PM
Action
Type
Old Value
New Value
Added
CVSS V3
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CVSS V2
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Added
CWE
CWE-20
Added
CPE Configuration
Configuration 1
OR
*cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:*
*cpe:2.3:a:systemd_project:systemd:213:*:*:*:*:*:*:*
*cpe:2.3:a:systemd_project:systemd:214:*:*:*:*:*:*:*
*cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:*
Configuration 2
OR
*cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:*:*:*:*:*:*:*
*cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*
*cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1:*:*:*:*:*:*
*cpe:2.3:o:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
*cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:*
Configuration 3
OR
*cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Changed
Reference Type
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html No Types Assigned
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html Third Party Advisory
Changed
Reference Type
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html No Types Assigned
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html Third Party Advisory
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2016/09/30/1 No Types Assigned
http://www.openwall.com/lists/oss-security/2016/09/30/1 Third Party Advisory
Changed
Reference Type
http://www.securityfocus.com/bid/93250 No Types Assigned
http://www.securityfocus.com/bid/93250 Third Party Advisory
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=1381911 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=1381911 Third Party Advisory, VDB Entry, Issue Tracking
Changed
Reference Type
https://github.com/systemd/systemd/issues/4234#issuecomment-250441246 No Types Assigned
https://github.com/systemd/systemd/issues/4234#issuecomment-250441246 Vendor Advisory, Exploit, Patch
Changed
Reference Type
https://rhn.redhat.com/errata/RHBA-2015-2092.html No Types Assigned
https://rhn.redhat.com/errata/RHBA-2015-2092.html Third Party Advisory
Changed
Reference Type
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet No Types Assigned
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet Third Party Advisory, Technical Description, Exploit
Initial CVE Analysis 10/13/2016 1:16:59 PM
Action
Type
Old Value
New Value
Added
CVSS V3
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CVSS V2
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Added
CWE
CWE-20
Changed
CPE Configuration
Configuration 1
OR
Configuration 1
OR
*cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:*
*cpe:2.3:a:systemd_project:systemd:213:*:*:*:*:*:*:*
*cpe:2.3:a:systemd_project:systemd:214:*:*:*:*:*:*:*
*cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:*
Configuration 2
OR
*cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Configuration 3
OR
*cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:*:*:*:*:*:*:*
*cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*
*cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1:*:*:*:*:*:*
*cpe:2.3:o:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
*cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:*
Changed
Reference Type
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html No Types Assigned
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html Third Party Advisory
Changed
Reference Type
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html No Types Assigned
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html Third Party Advisory
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2016/09/30/1 No Types Assigned
http://www.openwall.com/lists/oss-security/2016/09/30/1 Third Party Advisory
Changed
Reference Type
http://www.securityfocus.com/bid/93250 No Types Assigned
http://www.securityfocus.com/bid/93250 Third Party Advisory
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=1381911 Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1381911 Issue Tracking, Third Party Advisory, VDB Entry
Changed
Reference Type
https://github.com/systemd/systemd/issues/4234#issuecomment-250441246 No Types Assigned
https://github.com/systemd/systemd/issues/4234#issuecomment-250441246 Exploit, Patch, Vendor Advisory
Changed
Reference Type
https://rhn.redhat.com/errata/RHBA-2015-2092.html No Types Assigned
https://rhn.redhat.com/errata/RHBA-2015-2092.html Third Party Advisory
Changed
Reference Type
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet No Types Assigned
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet Exploit, Technical Description, Third Party Advisory
Quick Info
CVE Dictionary Entry: CVE-2016-7796 NVD
Published Date: 10/13/2016 NVD
Last Modified: 04/12/2025
Source: MITRE
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